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src="http://img70.afzhan.com/gxhpic_c10b8f16f0/655d48d28b2c11456f8eba6beaf050ea3b3f9aad86e97988bfdd77a1bb097ea5f02269f123287098.jpg" jqimg="http://img70.afzhan.com/gxhpic_c10b8f16f0/655d48d28b2c11456f8eba6beaf050ea3b3f9aad86e97988bfdd77a1bb097ea5f02269f123287098.jpg"></a></div></div> <div id="eqckvv83f" class="rltproy"> <h1 class="proname">便攜式直流高壓發(fā)生器</h1> <ul> <li>更新時間： 2024-03-08</li> <li>產(chǎn)品型號： <span></span></li> <li id="eqckvv83f" class="proname2">簡單描述</li> <li id="eqckvv83f" class="desc">便攜式直流高壓發(fā)生器主要適用于電力部門、工礦、冶金、鋼鐵等企業(yè)動力部門對氧化鋅避雷器、電力電纜、變壓器、斷路器、發(fā)電機等高壓電氣設備進行直流耐壓試驗或直流泄露電流試驗</li> <div id="eqckvv83f" class="pro_btn"> <a href="#nr_textbox" class="zxxj">在線詢價</a> <a href="/contact.html" class="lxwm">聯(lián)系我們</a> </div> </ul> </div> <div id="eqckvv83f" class="proneirong"> <div id="eqckvv83f" class="proneirongp"><span>詳細介紹</span></div> <link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>康登電氣</td> <th></th><td></td></tr> </tbody> </table> </section><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma;"><span style="font-size:16px"><strong>便攜式直流高壓發(fā)生器</strong></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma;"><span style="font-size:14px">1. 采用人機對話界面，大屏幕液晶顯示，操作更加人性化，可以實時顯示電壓、電流值。</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">2. 氧化鋅避雷器手動測試功能。精度≤1%，波紋系數(shù)：≤0.5%。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">3. 絕緣電阻自動測量功能。實現(xiàn)試品絕緣電阻值自動測量功能。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">4. 0.75UDC/1mA功能按鈕，方便氧化鋅避雷器測試，精度≤1%。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">5.起始電壓零位保護。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">6. *電壓、電流數(shù)字電路保護。取代了數(shù)字撥碼開關(guān)只能設定電壓值，不能設定電流值及電壓漂移的問題，誤差≤1%。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">7. 帶有萬年歷、時間、存儲、等功能。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">8. 接地保護報警功能：不接地或接地不良會出現(xiàn)“接線故障”并報警提示。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">產(chǎn)品圖解<img alt="" src="https://img75.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a0139a81d6baa612161858859e5c5f6d2a0299e5d866067957df.png" style="border:0px; height:385px; margin:0px; padding:0px; width:617px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">ZGF-B型120KV3mA直流高壓發(fā)生器產(chǎn)品特點</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">1. 采用人機對話界面，大屏幕液晶顯示，操作更加人性化，可以實時顯示電壓、電流值。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">2. 氧化鋅避雷器手動測試功能。精度≤1%，波紋系數(shù)：≤0.5%。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">3. 絕緣電阻自動測量功能。實現(xiàn)試品絕緣電阻值自動測量功能。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">4. 0.75UDC/1mA功能按鈕，方便氧化鋅避雷器測試，精度≤1%。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">5.起始電壓零位保護。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">6. *電壓、電流數(shù)字電路保護。取代了數(shù)字撥碼開關(guān)只能設定電壓值，不能設定電流值及電壓漂移的問題，誤差≤1%。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">7. 帶有萬年歷、時間、存儲、等功能。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">8. 接地保護報警功能：不接地或接地不良會出現(xiàn)“接線故障”并報警提示。</p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;">便攜式直流高壓發(fā)生器產(chǎn)品參數(shù)</p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; color:rgb(85, 85, 85); font-family:tahoma; font-size:14px"><tbody><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">　　　　規(guī)格</p><p style="margin: 0px; padding: 0px;"> </p><p style="margin: 0px; padding: 0px;">技術(shù)參數(shù)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">60/2</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">120/3</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">200/2/5</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">300/3/5</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">輸出電壓 (kV)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">60</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">120</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">200</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">300</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">輸出電流 (mA)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">2</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">3</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">2/5</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">3/5</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">輸出功率 (W)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">120</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">360</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">400/1000</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">900/1500</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">充電電流 (mA)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">2</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">3</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">2/5</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">3/5</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">控制箱重量(kg)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">11.6</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">13</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">13</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">13</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">倍壓筒重量(kg)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">2.3</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">3.2</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">8</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">10</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">倍壓筒規(guī)格(mm)</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">Ф90</p><p style="margin: 0px; padding: 0px;">340</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">Ф90</p><p style="margin: 0px; padding: 0px;">　470</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">Ф110</p><p style="margin: 0px; padding: 0px;">910</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">Ф110</p><p style="margin: 0px; padding: 0px;">1200</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">電壓測量誤差</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">0.2%(滿度)±1個字</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">電流測量誤差</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">0.2%(滿度)±1個字</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">過壓整定誤差</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">AI技術(shù)設定過壓保護和過流保護. 誤差≤0.2%</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">智能（AI）測試</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">AI全自動氧化鋅避雷器</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">0.75切換誤差</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">高精度0.75UDC-1mA單觸按鈕（精度≤1.0％）</p><p style="margin: 0px; padding: 0px;">氧化鋅避雷器試驗</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">波紋系數(shù)</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">≤0.2%</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">工作方式</p></td><td colspan="4" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">間斷使用：額定負載30分鐘</p><p style="margin: 0px; padding: 0px;">1.1倍額定電壓使用：10分鐘</p></td></tr></tbody></table><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; color:rgb(85, 85, 85); font-family:tahoma; font-size:14px"><tbody><tr><td rowspan="3" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">工作環(huán)境</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">溫度：-10℃～ 40℃</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">相對濕度：室溫為25℃時不大于85％（無凝露）</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">海拔高度：1500米以下</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">帶電容負荷</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">被試品電容量無限制</p></td></tr><tr><td rowspan="2" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">結(jié)構(gòu)特點</p></td><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">電氣絕緣倍壓筒</p></td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px;">空氣絕緣、無泄漏之慮</p></td></tr></tbody></table><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"> </p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><strong><span style="font-size:16px">直流高壓發(fā)生器</span><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">使用說明</span></span></strong></p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><strong><span style="font-size:12pt"><span style="font-family:宋體">面板說明<img alt="" src="https://img73.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a013c156e13191b53948bc7a9123c0bd9ef40008e33a1d9e9739.png" style="border:0px; height:284px; margin:0px; padding:0px; width:384px" /></span></span></strong></li></ul><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"> </p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">1 數(shù)顯電流表：數(shù)字顯示直流高壓輸出電流。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">2 數(shù)顯電壓表：數(shù)字顯示直流高壓輸出電壓。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">3 黃色帶燈按鈕：紅燈亮時有效。當按下黃色按鈕后黃燈亮，輸出高壓降于原來的0.75倍，并在一分鐘內(nèi)保持此狀態(tài)。此功能是專門為氧化鋅避雷器快速測量0.75U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1</span></span></sub><sub><span style="font-size:12pt"><span style="font-family:times new roman">mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">用。按下綠色按鈕紅燈、黃燈均滅，高壓切斷并退出0.75倍狀態(tài)。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">4 紅色帶燈按鈕：高壓接通按鈕、高壓指示燈。在綠燈亮的狀態(tài)下，按下紅色按鈕后，紅燈亮綠燈滅，表示高壓回路接通，此時可升壓。此按鈕須在電壓調(diào)節(jié)電位器回零狀態(tài)下才有效。如按下紅色按鈕紅燈亮綠燈仍亮，但松開按鈕紅燈滅綠燈亮，表示機內(nèi)保護電路已工作，此時必須關(guān)機檢查過壓整定撥盤開關(guān)設置是否小于滿量程的5%及有無其它故障后，再開機。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">5 綠色帶燈按鈕：綠燈亮表示電源已接通及高壓斷開。在紅燈亮狀態(tài)下按下綠色按鈕，紅燈滅綠燈亮，高壓回路切斷。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">6 電源開關(guān)：將此開關(guān)朝右邊按下，電源接通，綠燈亮。反之為關(guān)斷。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">7 過壓整定撥盤開關(guān)：用于設定過電壓保護值。過壓速定范圍為0.05～1.2倍額定電壓，撥盤開關(guān)所顯示值單位為kV。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">8 電壓調(diào)節(jié)電位器：該電位器為多圈電位器。順時針旋轉(zhuǎn)為升壓，反之為降壓。此電位器具備電子零位保護功能，因此升壓前必須先回零。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">9電源輸入插座：將隨機配置的電源線與電源輸入插座相聯(lián)。(交流220V±10%，插座內(nèi)自帶保險管。)</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體"><span style="font-size:12pt">10. </span><span style="font-size:12pt">接地端子：此接地端子與倍壓筒接地端子及試品接地聯(lián)接為一點后再與接地網(wǎng)相連。</span></span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體"><span style="font-size:12pt"><span style="font-size:12pt">11. 中頻及測量電纜快速聯(lián)接插座：用于機箱與倍壓部分的聯(lián)接。聯(lián)接時只需將電纜插頭對準插座推進到位即可。拆線時先將電纜插頭外面一個卡圈向后移動并稍用力即可。</span></span></span></span></li></ul><p style="margin: 0px 0px 0px 45pt; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><img alt="" src="https://img73.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a0132614db014a4c34a5e91c46ada7eb386498bb49fdfb307f69.png" style="border:0px; height:331px; margin:0px; padding:0px; width:429px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><strong><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">三、</span></span><span style="font-size:16px">ZGF-60kv/2MA直流高壓發(fā)生器</span><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">操作說明</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">使用前應檢查連接電纜不應有斷路和短路現(xiàn)象，倍壓筒不應有凝露現(xiàn)象。然后將倍壓筒與控制箱用七芯電纜連接好，倍壓筒和控制箱必須保持足夠距離。用不小于2.5mm²的銅線將被試品、倍壓筒和控制箱三者可靠接地，倍壓筒高壓輸出端經(jīng)微安表與被試品連接好。接通電源開關(guān)，將儀器預熱5分鐘，然后設定好所需電流、電壓的值，將升壓電位器沿反時針方向旋轉(zhuǎn)回到零位，，高壓燈亮時再沿順時針方向慢慢調(diào)節(jié)升壓電位器，同時注視電流表、電壓表數(shù)值，直到達到所需電流、電壓值時為止。如需要輸出當前電壓的0.75倍值時，只要按下0.75U按鍵，輸出便自動下降到當前電壓的0.75倍值，不必調(diào)節(jié)升壓電位器。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"> </p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">（注1），到設定時間后儀器便自動切斷輸出并報警。如要終止試驗，可按綠燈鍵或關(guān)掉電源來關(guān)閉輸出。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">（注2）：當發(fā)生器帶負載時，75%按鍵按下后，應按下復位鍵后方能使75%鍵彈起。否則會損壞設備。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><strong><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">四、</span></span><span style="font-size:16px">直流高壓發(fā)生器</span><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">操作步驟</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">● 控制箱上的顯示燈、開關(guān)、旋鈕等已標清楚，看此操作說明時請參照控制箱的面板上元器件名稱使用。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">●倍壓筒底盤側(cè)面有（四）五芯插座為聯(lián)接控制箱電纜之插座，底盤側(cè)面有銅接線柱為接地端子作連接地線用。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">●附帶的高壓屏蔽電流表為數(shù)顯微安表，表頂端上的插孔為連接被試品的線插孔，同時也作為電源開關(guān)，不用時請拔掉插頭，就自動關(guān)閉電源。換電池時請將后蓋旋下，換好后請將后蓋旋緊。</span></span></p><p style="margin: 0px 0px 0px 21pt; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.1 使用前準備</span></span></p><p style="margin: 0px 0px 0px 21pt; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.1.1 試驗器在使用前應檢查其完好性，聯(lián)接電纜不應有斷路和短路，設備無破裂等損壞。</span></span></p><p style="margin: 0px 0px 0px 21pt; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.1.2 將倍壓筒從機箱中取出放置到合適的安全位置，分別聯(lián)接好電源線、電纜線和接</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">地線。保護接地線與工作接地線以及放電棒的接地線均單獨接到試品的地線上(即一點接地)。嚴禁各接地線相互串聯(lián)。為此，應使用接地線。(見圖4)上。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><img alt="" src="https://img75.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a0132e8bd882a1919a8c9f70aa975dde92e3a308bbf76e29642c.png" style="border:0px; height:228px; margin:0px; padding:0px; width:348px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px; text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">圖4 試驗回路接地線示意圖</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.1.3 電源開關(guān)放在關(guān)斷位置并檢查調(diào)壓電位器應在零位。過電壓保護整定撥盤開關(guān)設置在適當位置上，一般為1.15 - 1.20倍測試電壓值。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.2 空載升壓試驗并驗證過電壓保護整定</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.1 接通電源開關(guān)，此時綠燈亮，表示電源接通。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.2 按紅色按鈕，則紅燈亮，表示高壓接通。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.3 順時針方向平緩調(diào)節(jié)調(diào)壓電位器，輸出端即從零開始升壓。升至所需電壓后，按規(guī)定時間記錄電流表讀數(shù)，并檢查控制箱及輸出電纜有無異?，F(xiàn)象及聲響。必要時用外接高壓分壓器校準控制箱上的直流高壓指示。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.4 升電壓至過壓保護設定值，機內(nèi)保護電路應動作，綠燈亮、紅燈滅。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.5 將調(diào)壓電位器回零，關(guān)閉電源開關(guān)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.3 對試品進行泄漏及直流耐壓試驗</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.3.1 在進行5.1 </span></span><span style="font-size:12pt"><span style="font-family:times new roman">–</span></span><span style="font-size:12pt"><span style="font-family:宋體"> 5.2 檢查試驗確認試驗無異常情況后即可開始進行試品的泄漏及直流耐壓試驗。將試品、地線等聯(lián)接好，檢查無后即打開電源。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.3.2 依步驟5.2.1 </span></span><span style="font-size:12pt"><span style="font-family:times new roman">–</span></span><span style="font-size:12pt"><span style="font-family:宋體"> 5.2.3 升壓至所需電壓或電流。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">升壓速度以每秒3 - 5 kV試驗電壓為宜。對于大電容試品升壓時還需監(jiān)視電流表充電電流不超過試驗器的充電電流。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">對小電容試品如氧化鋅避雷器、磁吹避雷器等先升至所需電壓(電流)的95%，再緩慢仔細升至所需的電壓(電流)。然后從數(shù)顯表上讀出電壓(電流)值。如需對氧化鋅避雷器進行0.75U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1</span></span></sub><sub><span style="font-size:12pt"><span style="font-family:times new roman">mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">測量時，先升至U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1</span></span></sub><sub><span style="font-size:12pt"><span style="font-family:times new roman">mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">電壓值，然后按下黃色按鈕，此時電壓即降至原來的75%，</span></span><strong><span style="font-size:12pt"><span style="font-family:宋體">并在一分鐘內(nèi)保持此狀態(tài)</span></span></strong><span style="font-size:12pt"><span style="font-family:宋體">。此時可讀取微安數(shù)。測量完畢后，調(diào)壓電位器逆時針回到零，按下綠色按鈕。需再次升壓時按紅色按鈕即可。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.3.3 試驗完畢，將調(diào)壓電位器逆時針回到零，按下綠色按鈕，關(guān)閉電源開關(guān)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.4 幾種測量方法</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.1 一般測量時，當接好線后，先把聯(lián)接試品的線懸空，升到試驗電壓后讀取空試時的電暈和雜散電流I</span></span><span style="font-size:12pt"><span style="font-family:times new roman">’</span></span><span style="font-size:12pt"><span style="font-family:宋體">，然后接上試品升到試驗電壓讀取總電流I</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">1</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">試品泄漏電流：I</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">0</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體"> = I</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">1</span></span></sub> <span style="font-size:12pt"><span style="font-family:times new roman">–</span></span><span style="font-size:12pt"><span style="font-family:宋體">I</span></span><span style="font-size:12pt"><span style="font-family:times new roman">’</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.2 當需要精密測量被試品泄漏電流時，則應在高壓側(cè)串入GL型高壓微安表(見圖5a)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體"><img alt="" src="https://img72.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a0133b71d7884bf278db6fe204561fc187d132c9d51b950319e8.png" style="border:0px; height:199px; margin:0px; padding:0px; width:312px" /></span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"> <span style="font-family:宋體; font-size:12pt">圖5 a 微安表接入試品Cχ高壓側(cè)接線圖</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">微安表必須有金屬屏蔽，應采用屏蔽線與試品聯(lián)接。高壓引線的屏蔽引出應與儀表端的屏蔽緊密聯(lián)接。如果要排除試品表面泄漏電流的影響可在試品高電位端用裸金屬軟線緊密繞幾圈后與高壓引線的屏蔽相聯(lián)接(見圖5b)</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體"> <img alt="" src="https://img75.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a0135ab190082b6ebd6b5c34bf354235e9cfea6970af7d08cdf3.png" style="border:0px; height:199px; margin:0px; padding:0px; width:312px" /> </span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體"> </span></span><span style="font-family:宋體; font-size:12pt">b 排除試品Cχ表面影響接線圖</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.3 對氧化鋅、磁吹避雷器等試品接地端可分開的情況下，也可采用在試品的底部(地電位側(cè))串入電流表進行測量的方式。但也必須使用屏蔽線(見圖6a)。當要排除試品表面泄漏電流的影響，可用軟的裸銅線在試品地電位端繞上幾圈并與屏蔽線的屏蔽相聯(lián)接(見圖6b)</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"> <img alt="" src="https://img74.afzhan.com/gxhpic_c10b8f16f0/73c1482f3b90472a868d5db58667a01338188c88d2e4c1a209743f9a33da5f53b5ce2ae9fa20dc1c.png" style="border:0px; height:212px; margin:0px; padding:0px; width:553px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-family:宋體; font-size:12pt">4.4.4 試驗完畢，將調(diào)壓電位器逆時針回到零，按下綠色按鈕，關(guān)閉電源開關(guān)。</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.5 對于氧化鋅避雷器等小電容試品一般通過倍壓筒內(nèi)部測壓電阻放電即可。而對電纜等大電容試品一般要待試品電壓自放電至試驗電壓的20%以下，再通過配套的放電棒進行放電。待試品充分放電后并掛好接地線，才允許進行高壓引線的拆除和更換接線工作。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.5 保護動作后的操作</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">在使用過程中發(fā)現(xiàn)紅燈滅，綠燈亮，直流高壓下降，即為有關(guān)保護動作。此時應按下列步驟操作。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.5.1 關(guān)閉電源開關(guān)，面板指示燈均不亮</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.5.2 將調(diào)壓電位器退回零位。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4.5.3 一分鐘后待機內(nèi)低壓電容器充分放電后才允許再次打開電源開關(guān)。重新進行空載試驗并查明情況后可再次升壓試驗。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><strong><span style="font-size:12pt"><span style="font-family:宋體">五</span></span></strong><strong><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">、注意事項</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">1、為確保人身安全，在此反復提醒用戶注意控制箱及倍壓筒的良好接地以及停機后的試品及倍壓筒放電問題。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">2、防止異物進入控制箱，如控制箱有風扇時，應經(jīng)常檢查風扇是否正常運轉(zhuǎn)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">3、當倍壓筒絕緣筒臟污時請用干布擦凈，不可用酒精，汽油等有機類溶劑擦洗?？捎孟礈靹┣逑唇^緣筒表面，等風干后方可使用，運輸或不使用時請放入箱內(nèi)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">4、換保險管時，請按保險管座旁標定的安培數(shù)更換保險管。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">5、若高壓屏蔽微安表上顯示"LOW BAT"時，請更換9V電池，以避免測量誤差。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">6、未經(jīng)允許，請勿開啟控制箱及倍壓筒，否則會影響產(chǎn)品的保修，自行拆卸廠方概不負責。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">7、儀器運輸時應避免雨水浸蝕,嚴防碰撞和墜落。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px; text-align: center;"> </p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><strong><span style="font-size:12pt"><span style="font-family:宋體">六</span></span></strong><strong><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">、</span></span></strong><strong><span style="font-size:12pt"><span style="font-family:宋體">數(shù)顯式直流高壓微安表</span></span></strong><strong><span style="font-size:12pt"><span style="font-family:宋體">使用說明書</span></span></strong></p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">本表用于直流電壓試驗時在高壓側(cè)測量高壓電氣設備內(nèi)絕緣泄漏電流值，量程為 0～1999.9 uA,（2mA型）0-19999（5mA型）允許電流為20毫安。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">本表原理為法拉第籠等電位屏蔽法測量，所有測量部件均處于金屬球體的屏蔽內(nèi)部。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">直流高壓試驗器高壓輸出端經(jīng)高壓限流電阻接到該高壓微安表，再經(jīng)高壓微安表的插頭，屏蔽導線接到被試品。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">為減少被試品高壓線頭裸露時的電暈離子電流對內(nèi)絕緣泄漏電流的附加誤差影響，建議用良好的絕緣將被試品高壓接線處包起來。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">該高壓微安表內(nèi)部采用9V干電池電源。高壓引線插頭插入后，內(nèi)部電源接通，拔出時內(nèi)部斷電，為延長電池壽命建議在停止測量時盡可能斷開電源。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">電纜或高壓電容器直流耐壓試驗時充電電流值可超過本表額定2毫安小于20毫安時本表不會損壞。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">試品直流高壓實驗完畢后，用直流高壓試驗放電棒在微安表外殼處放電。</span></span></li></ul><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">注意：放電棒不得直接接觸及高壓直流放電，應保持一段距離，待放電棒*初產(chǎn)生電暈放電，被試品上電壓逐步下降20%試驗電壓時，再將放電棒觸及微安表外殼放電。后將放電棒接地端地線直接掛在被試品上。</span></span></p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><strong><span style="font-size:12pt"><span style="font-family:宋體">特別注意不準將地線直接在高壓微安表外殼上直接放電，以免強大的沖擊放電電流引起高壓微安表損壞。</span></span></strong></li></ul><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:12pt"><span style="font-family:宋體">9.本產(chǎn)品免費保修三年，終身維修；但違反本使用說明造成損壞時，修理費用戶自理。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:16px"><strong> <span style="color:rgb(255, 0, 0)">直流高壓發(fā)生器</span></strong><span style="color:rgb(255, 0, 0)"><span style="font-family:黑體">安全警告</span></span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:16px"><span style="font-family:宋體">● </span> <span style="font-family:宋體">使用直流高壓試驗器的工作人員必須是具有“高壓試驗上崗證”的專業(yè)人員。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:16px"><span style="font-family:宋體">● 使用本儀器請用戶必須按《電力安規(guī)》168條規(guī)定，并在工作電源進入試驗器前加裝兩個明顯斷開點；當更換試品和接線時應先將兩個電源斷開點明顯斷開。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:16px"><span style="font-family:宋體">● 試驗前請檢查試驗器控制箱、倍壓筒和試品的接地線是否接好。試驗回路接地線應按本說明書（圖4）所示一點接地。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:16px"><span style="font-family:宋體">● 對大電容試品的放電應經(jīng)100Ω/V放電電阻棒對試品放電。放電時不能將放電棒立即接觸試品，應先將放電棒逐漸接近試品，至一定距離高空氣間隙開始游離放電．有嘶嘶聲：當無聲音時可用隨電棒放電，后直接接上地線放電。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-family: Tahoma; font-size: 14px;"><span style="font-size:16px"><span style="font-family:宋體">●</span><span style="font-family:times new 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